Adelphic.com W3C HTML Markup Validation
HTML markup errors and warnings
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Errors:
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
No “li” element in scope but a “li” end tag seen.
Bad value “” for attribute “target” on element “a”: Browsing context name must be at least one character long.
Duplicate attribute “data-arrows”.
No “p” element in scope but a “p” end tag seen.
Duplicate ID “adelphic-hero-slide”.
Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.
Attribute “type” not allowed on element “iframe” at this point.
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Bad value “mailto:info@adeplhic.com?Subject=General Inquiry from Adelphic Website” for attribute “href” on element “a”: Illegal character in query: space is not allowed.
Warnings:
The first occurrence of ID “adelphic-hero-slide” was here.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
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